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Rapamycin
C51H79NO13
[53123-88-9]
Rapamycin, also known as sirolimus, has become a standard immunosuppressive drug following kidney transplant.
Rapamycin, also known as sirolimus, has become a standard immunosuppressive drug following kidney transplant. .

CAS No.:[53123-88-9]

Molecular Formula: C51H79NO13

Molecular Weight: 914.18.

Description:Odorless, off-white to yellow crystalline power

Identification A: The IR spectrum of Potassium Bromide preparation of the sample exhibits

Maxima at the same wavelengths as that of a similar preparation of the in-house

reference standard.

Identification B: The UV spectrum of 95% Ethanol Preparation of the sample exhibits

Maxima at 267nm,277nm,288nm as that of a similar preparation of the in-house reference standard.
Identification C: The retention time of the peaks for the Trans-and Cis-Stereoisomers in the chromatogram of assay preparation corresponds to that in the chromatogram of the standard preparation, as obtained in the assay.

Assay: 98.0~102.0%(Calculated cis-and trans-stereisomers of Sirolimus on the anhydrous basis)

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